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SAE-AISI 1140 Steel vs. AWS ERNiCrMo-10

SAE-AISI 1140 steel belongs to the iron alloys classification, while AWS ERNiCrMo-10 belongs to the nickel alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1140 steel and the bottom bar is AWS ERNiCrMo-10.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 14 to 18
28
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
84
Tensile Strength: Ultimate (UTS), MPa 600 to 700
790

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Melting Completion (Liquidus), °C 1460
1550
Melting Onset (Solidus), °C 1420
1490
Specific Heat Capacity, J/kg-K 470
420
Thermal Conductivity, W/m-K 51
10
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
70
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.4
12
Embodied Energy, MJ/kg 18
160
Embodied Water, L/kg 46
300

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 21 to 25
25
Strength to Weight: Bending, points 20 to 22
21
Thermal Diffusivity, mm2/s 14
2.7
Thermal Shock Resistance, points 18 to 21
21

Alloy Composition

Carbon (C), % 0.37 to 0.44
0 to 0.015
Chromium (Cr), % 0
20 to 22.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 98.4 to 98.9
2.0 to 6.0
Manganese (Mn), % 0.7 to 1.0
0 to 0.5
Molybdenum (Mo), % 0
12.5 to 14.5
Nickel (Ni), % 0
49 to 63
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0
0 to 0.080
Sulfur (S), % 0.080 to 0.13
0 to 0.010
Tungsten (W), % 0
2.5 to 3.5
Vanadium (V), % 0
0 to 0.35
Residuals, % 0
0 to 0.5